Social security requires employment registration certificate.

First of all, you need to prepare the material "Social Insurance Unit Information Registration Form"; A copy of the business license and its photocopy; Official seal of the unit and legal person identity certificate (original and photocopy); Bank account information, payment authorization and other materials, the specific process is as follows:

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.